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What drugs predispose to autonomic neuropathies?

PhenothiazinesTricyclic antidepressents

When is tilt table testing performed?

To inv syncope in whom cardiac or epileptic causes have been excluded. ECG, BP, HR, recorded after head tilt for 10-60mins. Re-inteoduction of sx and HTN = +ve test

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Whats Narcolepsy? Whats Cataplexy?

Rare disorder - periods of irriversible sleep in inappropriate circumstances. Cataplexy- related cx- which sudden loss of tone develops in lower limbs with oreservation of consiousness. Attacks are set off by suudden suprise or emotion.

LMNL

Signs on same side as lesion (makes sense, its lower, it has already crossed over !)Fasciculation (visible contraction on single motor units (makes sense- individual damaged neural fibers sent directly wrong action potentials that are correctly read) Wasting (makes sense- the damaged neurones that are responsible ↪️for specific muscle fibers do not stimulate them to "grow") ↪️Hypotonia↪️Weakness Loss of tendon relfexes ‼️